Vintage Gerber Knives Presidential Daggers

[Dave Behrens]

What are these Gerbers worth. Searched net and couldnt find any info. Consecutive serial#'s mint condition boxes/sheaths and blades, also Stained oak and glass red velvet lined wall hang display cases.

Gerber Presidents collection Mark 1 & 2
Original Purchase 1980-1982(year)

Not mine asking for a friend (not for sale)